Fluocarbon
氟代烃
🗣️ 情景例句
It's so soothing.
是这样的安详。
Maybe we should hold off until we have covered item B on our agenda.
也许我们应该先谈论完B项议题。
He owes his success more to luck than to ability.
他认为他的成功是靠运气而不是因为自己的能力。